condition mean min max Sterile Leaflet 0.862505 0.512567 1.11107 Fertile Leaflet with Sori 2.9190253333333334 0.172896 5.87037 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0